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Share-Based Compensation (Tables) | 12 Months Ended
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Dec. 31, 2014
Share-based Compensation [Abstract] |
Schedule of Cash Proceeds Received from Share-based Payment Awards |
|  | Year Ended December 31,
|  | 2014 |  | 2013 |  | 2012
|  | (Amounts in thousands)
Cash received from option exercises |  | $ | 6,247 |  |  | $ | 1,446 |  |  | $ | 2,492 |
Compensation cost |  | 4,112 |  |  | 974 |  |  | (370 | )
Excess tax benefit |  | 148 |  |  | 202 |  |  | 86 |
Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions | No stock options were awarded in 2014 and 2012. In 2013, the fair value of stock option awards was estimated on the date of grant using a closed-form option valuation model (Black-Scholes) based on the following table, which provides the weighted-average values of assumptions used in the calculation of grand-date fair values during the years ended December 31, 2013.
| 2013
Weighted-average grant-date fair value | $7.11
Expected volatility | 33.16% - 33.18%
Weighted-average expected volatility | 33.17%
Risk-free interest rate | 0.88% - 1.60%
Expected dividend yield | 5.40% - 5.76%
Expected term in months | 72
Summary of Stock Option Activity | A summary of the stock option activity under the Company’s plans as of December 31, 2014 and changes during the year then ended is presented below:
| Shares |  | Weighted- Average Exercise Price |  | Weighted- Average Remaining Contractual Term (Years) |  | Aggregate Intrinsic Value (in 000’s)
Outstanding at January 1, 2014 | 433,750 |  | $ | 49.11 |  |  |  |  |
Granted | 0 |  |  |  |  |  |  |
Exercised | (155,050) |  | $ | 46.34 |  |  |  |  |
Canceled or expired | (30,700) |  | $ | 57.10 |  |  |  |  |
Outstanding at December 31, 2014 | 248,000 |  | $ | 49.85 |  |  | 3.7 |  | $ | 1,774 |
Exercisable at December 31, 2014 | 188,000 |  | $ | 51.86 |  |  | 2.2 |  | $ | 985 |
Schedule of Options Authorized under Stock Option Plans, by Exercise Price Range | The following table presents information regarding stock options outstanding at December 31, 2014:
| Options Outstanding |  | Options Exercisable
Range of Exercise Prices | Number of Options |  | Weighted-Avg. Remaining Contractual Life (Years) |  | Weighted- Avg. Exercise Price |  | Number of Options |  | Weighted- Avg. Exercise Price
$33.61-47.61 | 105,500 |  | 6.5 |  | $ | 43.67 |  |  | 45,500 |  | $ | 43.86 |
$50.01-52.13 | 63,500 |  | 2.2 |  | $ | 51.03 |  |  | 63,500 |  | $ | 51.03 |
$54.93-58.83 | 79,000 |  | 1.3 |  | $ | 57.14 |  |  | 79,000 |  | $ | 57.14 |
Summary of Grants | The following table presents the grants summary:
| Grant Year
| 2014 |  | 2013 |  | 2012
Three-year performance period ending December 31, | 2016 |  |  | 2015 |  |  | 2014 |
Vesting shares, target (net of forfeited) | 86,500 |  |  | 80,500 |  |  | 80,500 |
Vesting shares, maximum (net of forfeited) | 162,188 |  |  | 181,125 |  |  | 181,125 |
Summary of Vested And Unvested RSU | The restricted stock unit activity as of December 31, 2014, 2013, and 2012 and changes during the years then ended is as follows:
| 2014 |  | 2013 |  | 2012
| Shares |  | Weighted- Average Fair Value per Share |  | Shares |  | Weighted- Average Fair Value per Share |  | Shares |  | Weighted- Average Fair Value per Share
Outstanding at January 1 | 170,500 |  | $ | 39.64 |  |  | 169,000 |  | $ | 42.22 |  |  | 135,000 |  | $ | 40.70 |
Granted | 93,500 |  | $ | 45.17 |  |  | 84,500 |  | $ | 36.82 |  |  | 92,000 |  | $ | 44.01 |
Vested | 0 |  |  |  | 0 |  |  |  | 0 |  |
Forfeited/Canceled | (16,500) |  | $ | 43.99 |  |  | (3,000) |  | $ | 36.82 |  |  | (3,000) |  | $ | 44.01 |
Expired | (80,500) |  | $ | 44.01 |  |  | (80,000) |  | $ | 40.22 |  |  | (55,000) |  | $ | 41.40 |
Outstanding at December 31 | 167,000 |  | $ | 41.15 |  |  | 170,500 |  | $ | 39.64 |  |  | 169,000 |  | $ | 42.22 |

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- Definition Tabular disclosure of the amount of cash proceeds received from the exercise of stock options and similar instruments granted under share-based payment arrangements and the tax benefit realized from stock options exercised during the period. Disclosure may also include the intrinsic value of stock options exercised during the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (j) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure of the following for fully vested share options (or share units) and share options expected to vest at the date of the latest statement of financial position: the number, weighted-average exercise price (or conversion ratio), aggregate intrinsic value (except for nonpublic entities), and weighted-average remaining contractual term of options (or share units) outstanding. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure of the number and weighted-average grant date fair value for restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock units that were granted, vested, or forfeited during the year. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure of option exercise prices, by grouped ranges, including the upper and lower limits of the price range, the number of shares under option, weighted average exercise price and remaining contractual option terms. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure of the number and weighted-average exercise prices (or conversion ratios) for share options (or share units) that were outstanding at the beginning and end of the year, vested and expected to vest, exercisable or convertible at the end of the year, and the number of share options or share units that were granted, exercised or converted, forfeited, and expired during the year. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (f)(2) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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